// Copyright (C) 2014 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.1.3.12
description: >
  The method should return a valid iterator with the context as the
  IteratedObject.
features: [Symbol.iterator]
---*/

function Test() {
    var map = new Map();
    map.set(1, 11);
    map.set(2, 22);
    map.set(3, 33);

    var iterator = map[Symbol.iterator]();
    var result;

    result = iterator.next();
    assert.sameValue(result.value[0], 1, 'First result `value` (map key)');
    assert.sameValue(result.value[1], 11, 'First result `value` (map value)');
    assert.sameValue(result.value.length, 2, 'First result `value` (length)');
    assert.sameValue(result.done, false, 'First result `done` flag');

    result = iterator.next();
    assert.sameValue(result.value[0], 2, 'Second result `value` (map key)');
    assert.sameValue(result.value[1], 22, 'Second result `value` (map value)');
    assert.sameValue(result.value.length, 2, 'Second result `value` (length)');
    assert.sameValue(result.done, false, 'Second result `done` flag');

    result = iterator.next();
    assert.sameValue(result.value[0], 3, 'Third result `value` (map key)');
    assert.sameValue(result.value[1], 33, 'Third result `value` (map value)');
    assert.sameValue(result.value.length, 2, 'Third result `value` (length)');
    assert.sameValue(result.done, false, 'Third result `done` flag');

    result = iterator.next();
    assert.sameValue(result.value, undefined, 'Exhausted result `value`');
    assert.sameValue(result.done, true, 'Exhausted result `done` flag');

    result = iterator.next();
    assert.sameValue(
      result.value, undefined, 'Exhausted result `value` (repeated request)'
    );
    assert.sameValue(
      result.done, true, 'Exhausted result `done` flag (repeated request)'
    );
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
